11401053556 has 12 divisors (see below), whose sum is σ = 19956474468. Its totient is φ = 5699203712.

The previous prime is 11401053541. The next prime is 11401053577. The reversal of 11401053556 is 65535010411.

It is a happy number.

11401053556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 969699600 + 10431353956 = 31140^2 + 102134^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311251 + ... + 345946.

It is an arithmetic number, because the mean of its divisors is an integer number (1663039539).

Almost surely, 2^11401053556 is an apocalyptic number.

It is an amenable number.

11401053556 is a deficient number, since it is larger than the sum of its proper divisors (8555420912).

11401053556 is a wasteful number, since it uses less digits than its factorization.

11401053556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661538 (or 661536 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 11401053556 its reverse (65535010411), we get a palindrome (76936063967).

The spelling of 11401053556 in words is "eleven billion, four hundred one million, fifty-three thousand, five hundred fifty-six".